Mobile GC-MS 10

Introducing the Mobile GC-MS: On-Site Precision for Critical Analysis

Overview The Mobile Gas Chromatography-Mass Spectrometry (GC-MS) system represents a new era in on-site chemical analysis, combining the power of laboratory-grade separation and detection with unparalleled mobility. Designed for rapid, accurate identification and quantification of a wide range of compounds, this compact instrument is ideal for emergency response, environmental monitoring, security, and forensic applications where time and mobility are critical.

Key Features and Specifications

• Exceptional Mobility & Modular Design:

  • Lightweight Design: The entire system, including battery and carrier gas cylinder, weighs less than 20 kg.
  • Versatile Transport: Supports vehicular, handheld, or shoulder-carry options for maximum flexibility.
  • Robust Construction: Engineered for demanding field conditions, operating normally within 0-45 ℃ and boasting an ingress protection rating of at least IP43.
  • Modular Quick-Release Structure: Extending laboratory GC/MS modularity, the quick-release design for the chromatography and mass spectrometry modules allows for easy configuration with different column types based on user needs.

• Advanced Mass Spectrometry:

  • Quadrupole Analyzer: Utilizes a quadrupole mass analyzer for reliable and precise mass detection.
  • Broad Mass Range: Covers a mass range from 2u to 550u, suitable for a diverse array of small and semi-volatile molecules.
  • High-Performance Vacuum System: Features an oil-free, high-speed turbomolecular pump (≥ 60 L/s) for a non-consumable vacuum system and long-term continuous operation, ensuring stable vacuum and high sensitivity even with direct 1.0 ml/min carrier gas flow.
  • High-Temperature Inert Ceramic Ion Source: Ensures efficient ionization with dual filaments and thermal cleaning capabilities, significantly reducing maintenance requirements.
  • Multiple Scan Modes: Offers comprehensive analysis capabilities with Full Scan, Selected Ion Monitoring (SIM), Simultaneous Scan & SIM, and Enhanced Scan modes.

• Optimized Chromatography:

  • Efficient Carrier Gas Delivery: A carrier gas flow rate of no less than 1 ml/min, with carrier gas flowing directly into the mass spectrometer module.
  • Flexible Inlet Options: Features a standard split/splitless injector supporting pulsed injection mode, with a split ratio settable up to 100:1, and an inlet temperature adjustable up to 280 ℃, accommodating various sample types.
  • Standard 30m Low Thermal Mass GC Column: Utilizes a low thermal mass capillary column in place of traditional convective heating column ovens, resulting in reduced volume, improved separation efficiency, and consistent separation performance.

• Versatile Sample Introduction:

  • Integrated Modules: Equipped with a standard split/splitless inlet, built-in adsorption enrichment, and a quantitative loop module.
  • Broad Compatibility: Supports direct injection methods including gas-tight syringe, liquid, Solid Phase Microextraction (SPME), and gas sampling probes.
  • Software-Controlled Valve-Switching System: For gaseous samples, the chromatography module features built-in adsorption enrichment and a quantitative loop, allowing software-controlled switching between these valve systems without manual intervention.
  • Expanded Capabilities: Fully compatible with Mobile headspace and Mobile thermal desorption systems.

• Quantitative Accuracy & Compliance:

  • Internal Standard Quantitation: Features robust internal standard quantitation for precise and reliable results.
  • Regulatory Alignment: Complies with the requirements of "Emergency Determination of Volatile Organic Compounds in Ambient Air - Mobile Gas Chromatography-Mass Spectrometry Method."

Expandable Capabilities & Optional Accessories

To further enhance analytical versatility and sample preparation, the Mobile GC-MS system seamlessly integrates with the following optional accessories:

• 1. Mobile Headspace Sampler:

  • Wide Operating Range: Functions efficiently in temperatures from 0℃ to 45℃.
  • Flexible Power: Features independent power supply or can be powered by the Mobile GC-MS.
  • Multi-Sample Capacity: Equipped with at least 4 independent headspace heating positions.
  • Precise Heating: Equilibrium heating temperature adjustable from 30℃ to 80℃.
  • Lightweight: Total weight (including battery) does not exceed 6 kg.

• 2. Mobile Thermal Desorber:

  • Dual Enrichment Modes: Supports both passive diffusion adsorption and active sampling for sample enrichment.
  • Heated Transfer Line: Sample transfer line with adjustable heating and insulation (10℃ to 100℃).
  • Flexible Carrier Gas: Can use external carrier gas or its built-in carrier gas supply.
  • Wide Desorption Range: Sample desorption tube temperature range from ambient +10℃ to 250℃.
  • High Sensitivity: Achieves a detection limit of <1 ppb (Toluene) when paired with the Mobile GC-MS.
  • High Flow Rate: Maximum purge flow rate of no less than 150 mL/min.
  • Mobile Power: Powered by AC/DC adapter and includes an independent rechargeable battery for at least 3 hours of operation.
  • Compact & Light: Weighs ≤6 kg (including battery and gas cylinder).

• 3. Mobile Solid Phase Microextraction (SPME) Unit:

  • Mobile Design: Weighs ≤8 kg (including built-in battery and gas cylinder).
  • Triple Power Modes: Offers 220V AC power, internal battery, and external battery power options.
  • Independent Sample Cells: Features 2 or more independent sample cells, ensuring no cross-interference.
  • Temperature Control: Sample cell temperature range of 40℃ to 90℃.
  • Adjustable Stirring: Stirring speed of at least 300 to 2000 rpm.
  • Conditioning Capability: Aging chamber temperature of at least 50℃ to 280℃.
  • Intuitive Interface: Equipped with a 5-inch or larger LCD screen for clear display.

Applications This Mobile GC-MS is an indispensable tool for:

• Environmental & Emergency Monitoring: Rapid detection of Volatile Organic Compounds (VOCs) and Semi-Volatile Organic Compounds (SVOCs) in ambient air and other matrices.
• Public Safety & Security: On-site screening for explosives, chemical warfare agents, hazardous materials, and other harmful substances.
• Forensics & Field Investigation: Swift identification of chemical evidence at crime scenes or incident sites.
• Industrial Monitoring: Quick assessment of industrial emissions and process control.

Conclusion The Mobile GC-MS delivers laboratory-grade analytical power directly to the field. Its compact, lightweight design, combined with high separation efficiency and accurate quantification, makes it an indispensable tool for time-sensitive, critical decision-making.